1 /* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
4 * Copyright (C) 2013 Rob Clark <robclark@freedesktop.org>
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
26 * Rob Clark <robclark@freedesktop.org>
29 #include "pipe/p_state.h"
30 #include "util/u_string.h"
31 #include "util/u_memory.h"
32 #include "util/u_inlines.h"
34 #include "fd3_texture.h"
37 static enum a3xx_tex_clamp
38 tex_clamp(unsigned wrap
)
40 /* hardware probably supports more, but we can't coax all the
41 * wrap/clamp modes out of the GLESv2 blob driver.
43 * TODO once we have basics working, go back and just try
44 * different values and see what happens
47 case PIPE_TEX_WRAP_REPEAT
:
48 return A3XX_TEX_REPEAT
;
49 case PIPE_TEX_WRAP_CLAMP
:
50 case PIPE_TEX_WRAP_CLAMP_TO_BORDER
:
51 case PIPE_TEX_WRAP_CLAMP_TO_EDGE
:
52 return A3XX_TEX_CLAMP_TO_EDGE
;
53 case PIPE_TEX_WRAP_MIRROR_CLAMP
:
54 case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER
:
55 case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE
:
56 case PIPE_TEX_WRAP_MIRROR_REPEAT
:
57 return A3XX_TEX_MIRROR_REPEAT
;
59 DBG("invalid wrap: %u", wrap
);
64 static enum a3xx_tex_filter
65 tex_filter(unsigned filter
)
68 case PIPE_TEX_FILTER_NEAREST
:
69 return A3XX_TEX_NEAREST
;
70 case PIPE_TEX_FILTER_LINEAR
:
71 return A3XX_TEX_LINEAR
;
73 DBG("invalid filter: %u", filter
);
79 fd3_sampler_state_create(struct pipe_context
*pctx
,
80 const struct pipe_sampler_state
*cso
)
82 struct fd3_sampler_stateobj
*so
= CALLOC_STRUCT(fd3_sampler_stateobj
);
83 bool miplinear
= false;
88 if (cso
->min_mip_filter
== PIPE_TEX_MIPFILTER_LINEAR
)
94 COND(!cso
->normalized_coords
, A3XX_TEX_SAMP_0_UNNORM_COORDS
) |
95 COND(miplinear
, A3XX_TEX_SAMP_0_MIPFILTER_LINEAR
) |
96 A3XX_TEX_SAMP_0_XY_MAG(tex_filter(cso
->mag_img_filter
)) |
97 A3XX_TEX_SAMP_0_XY_MIN(tex_filter(cso
->min_img_filter
)) |
98 A3XX_TEX_SAMP_0_WRAP_S(tex_clamp(cso
->wrap_s
)) |
99 A3XX_TEX_SAMP_0_WRAP_T(tex_clamp(cso
->wrap_t
)) |
100 A3XX_TEX_SAMP_0_WRAP_R(tex_clamp(cso
->wrap_r
));
102 /* when mip-map is not disabled, this gets set.. I guess possibly
103 * it is the LOD related params, but I think I need GLES3 blob driver
104 * to be able to tell..
106 if (cso
->min_mip_filter
!= PIPE_TEX_MIPFILTER_NONE
) {
107 so
->texsamp1
= 0x003ff000;
109 so
->texsamp1
= 0x00000000;
115 static enum a3xx_tex_type
116 tex_type(unsigned target
)
122 case PIPE_TEXTURE_1D
:
123 case PIPE_TEXTURE_1D_ARRAY
:
125 case PIPE_TEXTURE_RECT
:
126 case PIPE_TEXTURE_2D
:
127 case PIPE_TEXTURE_2D_ARRAY
:
129 case PIPE_TEXTURE_3D
:
131 case PIPE_TEXTURE_CUBE
:
132 case PIPE_TEXTURE_CUBE_ARRAY
:
133 return A3XX_TEX_CUBE
;
137 static struct pipe_sampler_view
*
138 fd3_sampler_view_create(struct pipe_context
*pctx
, struct pipe_resource
*prsc
,
139 const struct pipe_sampler_view
*cso
)
141 struct fd3_pipe_sampler_view
*so
= CALLOC_STRUCT(fd3_pipe_sampler_view
);
142 struct fd_resource
*rsc
= fd_resource(prsc
);
143 unsigned miplevels
= cso
->u
.tex
.last_level
- cso
->u
.tex
.first_level
;
149 pipe_reference(NULL
, &prsc
->reference
);
150 so
->base
.texture
= prsc
;
151 so
->base
.reference
.count
= 1;
152 so
->base
.context
= pctx
;
154 so
->tex_resource
= rsc
;
155 so
->mipaddrs
= 1 + miplevels
;
158 A3XX_TEX_CONST_0_TYPE(tex_type(prsc
->target
)) |
159 A3XX_TEX_CONST_0_FMT(fd3_pipe2tex(cso
->format
)) |
160 A3XX_TEX_CONST_0_MIPLVLS(miplevels
) |
161 fd3_tex_swiz(cso
->format
, cso
->swizzle_r
, cso
->swizzle_g
,
162 cso
->swizzle_b
, cso
->swizzle_a
);
164 A3XX_TEX_CONST_1_FETCHSIZE(fd3_pipe2fetchsize(cso
->format
)) |
165 A3XX_TEX_CONST_1_WIDTH(prsc
->width0
) |
166 A3XX_TEX_CONST_1_HEIGHT(prsc
->height0
);
167 /* when emitted, A3XX_TEX_CONST_2_INDX() must be OR'd in: */
169 A3XX_TEX_CONST_2_PITCH(rsc
->slices
[0].pitch
* rsc
->cpp
);
170 so
->texconst3
= 0x00000000; /* ??? */
176 fd3_texture_init(struct pipe_context
*pctx
)
178 pctx
->create_sampler_state
= fd3_sampler_state_create
;
179 pctx
->create_sampler_view
= fd3_sampler_view_create
;